Issues

• Wrong order for matching in Rule

  Mathics3/mathics-core#1978 · Filter by author rocky opened on Sep 22, 2026
  5

• Ensure all Expressions that get created with List are turned into ListExpression objects, not Expression

  Chore
  Mathics3/mathics-core#1960 · Filter by author rocky opened on Sep 15, 2026

• Improve Refine using SymPy old assumptions

  Mathics3/mathics-core#1948 · Filter by author rocky opened on Sep 7, 2026

• Change determine_value_role to return an Enum, not an Optional[str]

  Chore
  Mathics3/mathics-core#1944 · Filter by author rocky opened on Sep 7, 2026

• Revise test_assignment.py so that assert failure message are distinct.

  Chore
  Mathics3/mathics-core#1941 · Filter by author rocky opened on Sep 7, 2026

• Introduction of \newline in Boxing and Formatting?

  Mathics3/mathics-core#1933 · Filter by author rocky opened on Sep 3, 2026

• Infinite Recursion in running ??Int after Rubi is loaded.

  Mathics3/mathics-core#1932 · Filter by author rocky opened on Sep 3, 2026
  27

• Add Association-related Builtin Functions.

  New Builtin Function or Variable
  Mathics3/mathics-core#1870 · Filter by author rocky opened on Jul 24, 2026

• RSolve no longer Get'able - related to SetDelayed assignment evaluation?

  Mathics3/mathics-core#1820 · Filter by author rocky opened on Apr 27, 2026

• Formatting is turning expressions where it should not.

  Mathics3/mathics-core#1817 · Filter by author rocky opened on Apr 26, 2026

• Finish tagging argument checking

  Chore
  Mathics3/mathics-core#1811 · Filter by author rocky opened on Apr 18, 2026

• Add Render interface for external renderers like drawsvg for SVG's

  Mathics3/mathics-core#1797 · Filter by author rocky opened on Apr 9, 2026

• convert_expression_elements should consider definitions when available.

  performance
  Mathics3/mathics-core#1795 · Filter by author rocky opened on Apr 9, 2026

• Remove ExpressionCache

  Mathics3/mathics-core#1794 · Filter by author rocky opened on Apr 9, 2026

• Add specialized Pattern evaluation

  performance
  Mathics3/mathics-core#1793 · Filter by author rocky opened on Apr 9, 2026

• Expression ordering in Integrate[x/(x^3-1), x] (with StandardForm and OuputForm)

  Mathics3/mathics-core#1755 · Filter by author rocky opened on Mar 22, 2026

• Revisit Vector and Graphics code split/duplication

  Mathics3/mathics-core#1747 · Filter by author rocky opened on Mar 19, 2026 · Next major release after 10.0

• Implement DefaultPrintPrecision option for NumberForm

  Mathics3/mathics-core#1742 · Filter by author rocky opened on Mar 17, 2026

• Add more Expand/Reduce functions

  New Builtin Function or Variable
  Mathics3/mathics-core#1734 · Filter by author rocky opened on Mar 14, 2026
  1

• Scoping of private variable in CombinatoricaV201 Tableaux

  Mathics3/mathics-core#1731 · Filter by author rocky opened on Mar 14, 2026

• Improve implementation of Association and associated functions

  Mathics3/mathics-core#1696 · Filter by author mmatera opened on Feb 13, 2026

• ToString CharacterEncoding

  Mathics3/mathics-core#1678 · Filter by author mmatera opened on Feb 5, 2026
  2

• handling precedence and associativity in nested Infix expressions

  Mathics3/mathics-core#1670 · Filter by author mmatera opened on Feb 1, 2026

• TraditionalForm is replacing square brackets with parenthesis when it should not

  Mathics3/mathics-core#1654 · Filter by author rocky opened on Jan 25, 2026
  4

• Information should returned boxed information

  Mathics3/mathics-core#1637 · Filter by author rocky opened on Jan 20, 2026